protected virtual void OnScroll(object sender, gtk.ScrollEventArgs args)
{
WheelDirection direction = WheelDirection.Up;
if (args.Event.Direction == Gdk.ScrollDirection.Down)
direction = WheelDirection.Down;
MouseWheelEvent evt = new MouseWheelEvent(Viewport.RootScene, direction, GetModifier(args.Event.State));
Viewport.OnMouseWheel(evt);
PaintGL();
}
public override void OnMouseWheel(MouseWheelEvent evt)
{
base.OnMouseWheel(evt);
if (Root != null)
Root.OnMouseWheel(evt);
}
public virtual void OnMouseWheel(MouseWheelEvent evt)
{
bool blocked = false;
var parentScene = evt.Scene;
evt.Scene = this;
// use the default dolly factor
double factor;
if (evt.Direction == WheelDirection.Up)
factor = Camera.DollyFactor;
else
factor = -Camera.DollyFactor;
// allow the renderables to deal with the interaction
foreach (Actor renderable in renderList.Actors) {
if (renderable.HandleDolly(this, factor))
blocked = true;
}
// allow the primary interactor to handle it
if (PrimaryInteractor != null) {
PrimaryInteractor.OnMouseWheel(evt);
}
if (!blocked && !evt.IsHandled)
Camera.Dolly(factor);
evt.Scene = parentScene;
}
public void OnMouseWheel(MouseWheelEvent evt)
{
RootScene.OnMouseWheel(evt);
}
/// <summary>
/// Handles a mouse wheel event.
/// </summary>
public override void OnMouseWheel(MouseWheelEvent evt)
{
public virtual void OnMouseWheel(MouseWheelEvent evt) { }
protected override void OnMouseWheel(MouseEventArgs args)
{
base.OnMouseWheel(args);
var direction = WheelDirection.Up;
if (args.Delta < 0)
direction = WheelDirection.Down;
var evt = new MouseWheelEvent(Viewport.RootScene, direction, InteractionModifier.None);
Viewport.OnMouseWheel(evt);
PaintGL();
}
public override void OnMouseWheel(MouseWheelEvent evt)
{
base.OnMouseWheel(evt);
if (Control != null)
{
var controlEvt = new MouseWheelEvent(evt.Scene, evt.Direction, evt.Modifier);
Control.OnMouseWheel(controlEvt);
if (controlEvt.IsHandled)
evt.Handle(controlEvt.LastHandler);
}
}
